mirror of
https://github.com/sigmasternchen/php-doc-en
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58f051e5c1
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@163954 c90b9560-bf6c-de11-be94-00142212c4b1
129 lines
3.2 KiB
XML
129 lines
3.2 KiB
XML
<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision: 1.9 $ -->
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<!-- splitted from ./en/functions/filesystem.xml, last change in rev 1.2 -->
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<refentry id="function.fileperms">
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<refnamediv>
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<refname>fileperms</refname>
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<refpurpose>Gets file permissions</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Description</title>
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<methodsynopsis>
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<type>int</type><methodname>fileperms</methodname>
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<methodparam><type>string</type><parameter>filename</parameter></methodparam>
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</methodsynopsis>
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<para>
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Returns the permissions on the file, or &false; in case of an error.
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</para>
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¬e.clearstatcache;
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&tip.fopen-wrapper.stat;
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<example>
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<title>Display permissions as an octal value</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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echo substr(sprintf('%o', fileperms('/tmp')), -4);
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echo substr(sprintf('%o', fileperms('/etc/passwd')), -4);
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?>
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]]>
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</programlisting>
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<para>This would produce the output:</para>
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<screen>
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<![CDATA[
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1777
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0644
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]]>
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</screen>
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</example>
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<example>
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<title>Display full permissions</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$perms = fileperms('/etc/passwd');
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if (($perms & 0xC000) == 0xC000) {
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// Socket
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$info = 's';
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} elseif (($perms & 0xA000) == 0xA000) {
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// Symbolic Link
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$info = 'l';
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} elseif (($perms & 0x8000) == 0x8000) {
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// Regular
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$info = '-';
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} elseif (($perms & 0x6000) == 0x6000) {
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// Block special
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$info = 'b';
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} elseif (($perms & 0x4000) == 0x4000) {
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// Directory
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$info = 'd';
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} elseif (($perms & 0x2000) == 0x2000) {
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// Character special
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$info = 'c';
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} elseif (($perms & 0x1000) == 0x1000) {
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// FIFO pipe
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$info = 'p';
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} else {
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// Unknown
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$info = 'u';
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}
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// Owner
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$info .= (($perms & 0x0100) ? 'r' : '-');
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$info .= (($perms & 0x0080) ? 'w' : '-');
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$info .= (($perms & 0x0040) ?
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(($perms & 0x0800) ? 's' : 'x' ) :
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(($perms & 0x0800) ? 'S' : '-'));
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// Group
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$info .= (($perms & 0x0020) ? 'r' : '-');
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$info .= (($perms & 0x0010) ? 'w' : '-');
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$info .= (($perms & 0x0008) ?
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(($perms & 0x0400) ? 's' : 'x' ) :
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(($perms & 0x0400) ? 'S' : '-'));
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// World
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$info .= (($perms & 0x0004) ? 'r' : '-');
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$info .= (($perms & 0x0002) ? 'w' : '-');
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$info .= (($perms & 0x0001) ?
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(($perms & 0x0200) ? 't' : 'x' ) :
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(($perms & 0x0200) ? 'T' : '-'));
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echo $info;
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?>
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]]>
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</programlisting>
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<para>This would produce the output:</para>
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<screen>
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<![CDATA[
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-r--r--r--
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]]>
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</screen>
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</example>
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<simpara>
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See also <function>is_readable</function>,
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and <function>stat</function>
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</simpara>
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</refsect1>
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</refentry>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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sgml-omittag:t
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sgml-shorttag:t
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sgml-minimize-attributes:nil
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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indent-tabs-mode:nil
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sgml-parent-document:nil
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sgml-default-dtd-file:"../../../../manual.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:nil
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sgml-local-ecat-files:nil
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End:
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vim600: syn=xml fen fdm=syntax fdl=2 si
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vim: et tw=78 syn=sgml
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vi: ts=1 sw=1
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-->
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